[PATCH] um: Do not unlock mutex that is not hold.

[Daniel Walter]

 Return error instead of trying to unlock a mutex that is not hold.

Signed-off-by: Daniel Walter <dwal...@google.com>
---
 arch/um/drivers/ubd_kern.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index aca09be2373e..33c1cd6a12ac 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -276,14 +276,14 @@ static int ubd_setup_common(char *str, int *index_out, 
char **error_out)
                str++;
                if(!strcmp(str, "sync")){
                        global_openflags = of_sync(global_openflags);
-                       goto out1;
+                       return err;
                }
 
                err = -EINVAL;
                major = simple_strtoul(str, &end, 0);
                if((*end != '\0') || (end == str)){
                        *error_out = "Didn't parse major number";
-                       goto out1;
+                       return err;
                }
 
                mutex_lock(&ubd_lock);
-- 
2.21.0.392.gf8f6787159e-goog